betta fish boxing ring Exercise and Filter Balls Set, Fish Feeder Ring and Nitrifying Ball, Betta Fish Toys for Small Tank, Betta Ring, Beta Fish Training Loop, Aquarium Toys for Pets Ram Mounts Track Mounted weighing fish Style:Solid Bottom with Holes The inside diameter is

betta fish boxing ring Exercise and Filter Balls Set, Fish Feeder Ring and Nitrifying Ball, Betta Fish Toys for Small Tank, Betta Ring, Beta Fish Training Loop, Aquarium Toys for Pets Ram Mounts Track Mounted weighing fish Style:Solid Bottom with Holes The inside diameter is

Ram Mounts Track Mounted Fishing Rod Holder RAM Tube Rod Holder With Dual T-Bolt Track Base

You should always match the hook gap to the size and type of bait you’ll be using

weighing fish

Style:Solid Bottom with Holes

If you don’t have a “premium” unit with integrated detailed mapping, I highly recommend a mapping chip

The inside diameter is 40mm.